Silver halide color photographic lightsensitive material and novel pyrrolotriazole compound

Abstract

A silver halide color photographic lightsensitive material contains a coupler represented by formula (I) below in at least one layer on a support (in this formula, X represents a hydrogen atom or a group which can split off by a coupling reaction with an oxidized form of an aromatic primary amine color developing agent, each of R 1 and R 2 represents an electron-attracting group having a Hammett's substituent constant σp value of 0.20 or more, and the sum of the σp values of R 1 and R 2 is 0.65 or more, and each of G 1 and G 2 represents a nitrogen atom or a substituent). A pyrrolotriazble compound represented by formula (I) below is also provided.

What is claimed is:  
     
       1. A silver halide color photographic light-sensitive material comprising at least one layer on a support, wherein the at least one layer contains a coupler represented by formula (I) below:                    
       wherein X represents a hydrogen atom or a group capable of splitting off by a coupling reaction with an oxidized form of an aromatic primary amine color developing agent; each of R 1  and R 2  represents an electron-attracting group having a Hammett's substituent constant σp value of not less than 0.20, the sum of the σp values of R 1  and R 2  being not less than 0.65; and each of G 1  and G 2  represents a nitrogen atom or a substituent represented by formula (II), provided that one of G 1  and G 2  being a nitrogen atom and the other being a substituent represented by formula (II) below:                    
       wherein R 3  represents a member selected from the group consisting of a substituted or nonsubstituted alkyl group, substituted or nonsubstituted alkenyl group, substituted or nonsubstituted alkynyl group, substituted or nonsubstituted cycloalkyl group, substituted or nonsubstituted cycloalkenyl group, substituted or nonsubstituted aryl group, and substituted or nonsubstituted heterocyclic group; 
       R 4  represents a hydrogen atom or a substituent bonded by a carbon atom, R 3  and R 4  being capable of combining to form a ring; R 5  represents a substituent, and n represents an integer of 0 to 4,  
       provided that a group represented by R 1 , R 2 , R 3 , R 4 , R 5 , or X may be a divalent group, and thereby the coupler represented by formula (I) may form a polymer, which is a dimer or a higher-order polymer, or may form a homopolymer or a copolymer by combining with a polymeric chain.  
     
     
       2. The lightsensitive material according to  claim 1 , wherein the coupler represented by formula (I) represented by formula (III) below:                    
       wherein X represents a hydrogen atom or a group capable of splitting off by a coupling reaction with an oxidized form of an aromatic primary amine color developing agent; each of R 1  and R 2  represents an electron-attracting group having a Hammett's substituent constant up value of not less than 0.20, the sum of the σp values of R 1  and R 2  being not less than 0.65; R 3  represents a member selected from the group consisting of a substituted or nonsubstituted alkyl group, substituted or nonsubstituted alkenyl group, substituted or nonsubstituted alkynyl group, substituted or nonsubstituted cycloalkyl group, substituted or nonsubstituted cycloalkenyl group, substituted or nonsubstituted aryl group, and substituted or nonsubstituted heterocyclic group; 
       R 4  represents a member selected from the group consisting of a hydrogen atom, substituted or nonsubstituted alkyl group, substituted or nonsubstituted alkenyl group, substituted or nonsubstituted alkynyl group, substituted or nonsubstituted cycloalkyl group, substituted or nonsubstituted cycloalkenyl group, substituted or nonsubstituted aryl group, substituted or nonsubstituted acyl group, substituted or nonsubstituted alkyloxycarbonyl group, substituted or nonsubstituted aryloxycarbonyl group and substituted or nonsubstituted carbamoyl group, R 3  and R 4  being capable of combining to form a ring; and each of R 11  to R 14  independently represents a hydrogen atom or a substituent.  
     
     
       3. The lightsensitive material according to  claim 1 , wherein each substituent of the formula (I) is as follows: 
       X represents a member selected from the group consisting of a hydrogen atom, halogen atom, alkyloxy group, aryloxy group, alkylthio group, arylthio group, heterocyclic thio group, alkyloxycarbonyloxy group, aryloxycarbonyloxy group, carbamoyloxy group, heterocyclic carbonyloxy group, and 5- or 6-membered nitrogen-containing heterocyclic group which bonds to a coupling active position by a nitrogen atom; each of R 1  and R 2  represents a member selected from the group consisting of an acyl group, acyloxy group, carbamoyl group, alkyloxycarbonyl group, aryloxycarbonyl group, cyano group, nitro group, dialkylphosphono group, diarylphosphono group, diarylphosphinyl group, alkylsulfinyl group, arylsulfinyl group, alkylsulfonyl group, arylsulfonyl group, sulfonyloxy group, acylthio group, sulfamoyl group, thiocyanate group, thiocarbonyl group, alkyl halide group, alkoxy halide group, aryloxy halide group, alkylamino halide group, alkylthio halide group, aryl group which is substituted by another electron attracting group having a σp value of 0.20 or more, heterocyclic group, halogen atom, azo group, and selenocyanate group; G 1  and G 2  represent a nitrogen atom and the substituent represented by the formula (II), respectively; and each of R 3 , R 4 , R 5 , and n has the same meaning as defined in  claim 1 .  
     
     
       4. The lightsensitive material according to  claim 3 , wherein each substituent of the formula (I) is as follows: 
       X represents a hydrogen atom; and each of R 1 , R 2 , G 1 , G 2 , R 3 , R 4 , R 5 , and n has the same meaning as defined in  claim 3 .  
     
     
       5. The lightsensitive material according to  claim 2 , wherein each substituent of the formula (III) is as follows: 
       X represents a hydrogen atom; each of R 1  and R 2  represents a member selected from the group consisting of an acyl group, acyloxy group, carbamoyl group, alkyloxycarbonyl group, aryloxycarbonyl group, cyano group, nitro group, alkylsulfinyl group, arylsulfinyl group, alkylsulfonyl group, arylsulfonyl group, sulfamoyl group, alkyl halide group, alkyloxy halide group, alkylthio halide group, aryloxy halide group, aryl group substituted by two or more another electron-attracting groups having σp values of 0.20 or more, and 5- to 8-membered heterocyclic group having a nitrogen atom, oxygen atom, or sulfur atom; each of R 11 ,R 12 ,R 13 , and R 14  represents a member selected from the group consisting of a hydrogen atom, halogen atom, alkyl group, alkenyl group, alkynyl group, cycloalkyl group, cycloalkenyl group, aryl group, heterocyclic group, cyano group, hydroxy group, nitro group, carboxy group, sulfo group, amino group, alkyloxy group, aryloxy group, acylamino group, alkylamino group, anilino group, ureido group, sulfamoylamino group, alkylthio group, arylthio group, alkyloxycarbonylamino group, sulfonamide group, carbamoyl group, sulfamoyl group, sulfonyl group, alkyloxycarbonyl group, heterocyclic oxy group, azo group, acyloxy group, carbamoyloxy group, silyloxy group, aryloxycarbonylamino group, imide group, heterocyclic thio group, sulfinyl group, phosphonyl group, aryloxycarbonyl group, and acyl group; and each of R 3  and R 4  has the same meaning as defined in  claim 2 .  
     
     
       6. The lightsensitive material according to  claim 5 , wherein each substituent of the formula (III) is as follows: 
       R 3  and R 4 , combine to form a ring; and each of X, R 1 , R 2 , R 11 , R 12 , R 13 , and R 14  has the same meaning as defined in  claim 5 .  
     
     
       7. The lightsensitive material according to  claim 1 , wherein the coupler represented by formula (I) is represented by formula (V) below:                    
       wherein X represents a member selected from the group consisting of a hydrogen atom, halogen atom, substituted or nonsubstituted alkylthio group, substituted or nonsubstituted arylthio group, substituted or nonsubstituted heterocyclic thio group, substituted or nonsubstituted alkyloxycarbonyloxy group, substituted or nonsubstituted aryloxycarbonyloxy group, substituted or nonsubstituted carbamoyloxy group, and substituted or nonsubstituted heterocyclic carbonyloxy group; R 3  represents a member selected from the group consisting of a substituted or nonsubstituted alkyl group, substituted or nonsubstituted alkenyl group, substituted or nonsubstituted alkynyl group, substituted or nonsubstituted cycloalkyl group, substituted or nonsubstituted cycloalkenyl group, substituted or nonsubstituted aryl group, and substituted or nonsubstituted heterocyclic group; 
       R 4  represents a member selected from the group consisting of a hydrogen atom, substituted or nonsubstituted alkyl group, substituted or nonsubstituted alkenyl group, substituted or nonsubstituted alkynyl group, substituted or nonsubstituted cycloalkyl group, substituted or nonsubstituted cycloalkenyl group, and substituted or nonsubstituted aryl group, R 3  and R 4  being capable of combining to form a ring; R 11  represents a member selected from the group consisting of a substituted or nonsubstituted acylamino group, substituted or nonsubstituted alkylsulfonylamino group, substituted or nonsubstituted arylsulfonylamino group, and nitro group; R 12 , R 13 , and R 14  can be the same or different and each represents a member selected from the group consisting of a hydrogen atom, halogen atom, alkyl group, aryl group, heterocyclic group, cyano group, hydroxy group, nitro group, carboxy group, sulfo group, amino group, alkyloxy group, aryloxy group, acylamino group, alkylamino group, anilino group, ureido group, sulfamoylamino group, alkylthio group, arylthio group, alkyloxycarbonylamino group, sulfonamide group, carbamoyl group, sulfamoyl group, sulfonyl group, alkyloxycarbonyl group, heterocyclic oxy group, azo group, acyloxy group, carbamoyloxy group, silyloxy group, aryloxycarbonylamino group, imide group, heterocyclic thio group, sulfinyl group, phosphonyl group, aryloxycarbonyl group, and acyl group; R 21 , R 22 , R 23 , R 24 , and R 25  can be the same or different and each represents a member selected from the group consisting of a hydrogen atom, substituted or nonsubstituted alkyl group, substituted or nonsubstituted alkenyl group, substituted or nonsubstituted alkynyl group, substituted or nonsubstituted cycloalkyl group, substituted or nonsubstituted cycloalkenyl group, and substituted or nonsubstituted aryl group; and Z represents a non-metallic atom group required to form a 5- to 8-membered ring, said ring being able to be substituted, be a saturated ring, or have a unsaturated bond.  
     
     
       8. The lightsensitive material according to  claim 7 , wherein each substituent of the formula (V) is as follows: 
       R 3  and R 4  combine to form a ring; and each of X, R 11 , R 12 , R 13 , R 14 , R 21 , R 22 , R 23 , R 24 , and R 25  has the same meaning as defined in  claim 7 .